ET MALWARE Cobalt Strike Malleable C2 (Amazon Profile)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/s/ref=nb_sb_noss_1"; startswith;
http.cookie;
content:"skin|3d|noskin|3b|session|2d|token|3d|"; startswith;
content:"|3d|csm|2d|hit|3d|s|2d|24KU11BB82RZSYGJ3BDK|7c|1419899012996"; endswith; fast_pattern;
Raw source ET MALWARE Cobalt Strike Malleable C2 (Amazon Profile) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Cobalt Strike Malleable C2 (Amazon Profile)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/s/ref=nb_sb_noss_1"; startswith;
    http.cookie;
    content:"skin|3d|noskin|3b|session|2d|token|3d|"; startswith;
    content:"|3d|csm|2d|hit|3d|s|2d|24KU11BB82RZSYGJ3BDK|7c|1419899012996"; endswith; fast_pattern;
    reference:url,github.com/rsmudge/Malleable-C2-Profiles/blob/master/normal/amazon.profile;
    reference:md5,1a6ea185317ad4e5b8695e5a7d979f24;
    classtype:trojan-activity;
    sid:2055356; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_20, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, confidence High, signature_severity Critical, updated_at 2024_08_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;
)

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